BIG DATAThe term ‘Big Data' is coined to manage massive amounts of data. It is quite difficult to handle such complex data by using traditional database systems and application softwares. The value of big data is realized only by the technology. It is consisted of a huge number of multi-structure and unstructured data. It is really difficult to construe unstructured data because it is highly unorganized. For example, data in form of posts on social media is very much unformed. Every day a large number of data near 2.5 quintillion bytes is being created. Organizations make practical and effective use of big data in many ways. In order to process big data by adopting new technology, it is essential for an organization to have its knowledge.Big data was developed to overcome the loopholes in data managing systems. There are many advantages of big data over traditional database systems. It has a centralized architecture with structured data. About 240 bytes of data can be processed by using big data. By its use, Organization can easily analyze the deman